Measurements:
°C
°F
Sanibel Island
98°F
NE 7 mph
Feels like: 114°F
Precip: 3%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

07.15
wed
DAY
96°F
N 6 mph
precip
4%
NIGHT
86°F
S 8 mph
precip
8%
07.16
thu
DAY
90°F
SE 6 mph
precip
4%
NIGHT
90°F
SE 11 mph
precip
5%
07.17
fri
DAY
90°F
E 6 mph
precip
4%
NIGHT
86°F
S 6 mph
precip
43%
07.18
sat
DAY
90°F
NE 7 mph
precip
13%
NIGHT
88°F
NE 7 mph
precip
5%
07.19
sun
DAY
90°F
NE 9 mph
precip
5%
NIGHT
88°F
NE 6 mph
precip
6%
07.20
mon
DAY
90°F
N 8 mph
precip
5%
NIGHT
88°F
SE 4 mph
precip
5%
07.21
tue
DAY
90°F
N 7 mph
precip
57%
NIGHT
88°F
NE 4 mph
precip
19%

Sanibel Island Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Sanibel Island was 31.5°F. The maximum and minimum values were 31.3°F and 31.8°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
April 18 days
December 17 days
The most warm months:
August 92.2 °F
July 92.2 °F
June 91.2 °F
Warmest sea temperature:
August 91.8 °F
July 91.4 °F
September 90.3 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
July 5 days
June 5 days
August 4 days
The most windy months:
October 10 mph
November 10 mph
January 10 mph